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X is a wind pollinated plant whereas Y is an insect pollinated plant.
Which of the following cites the correct difference
between plants X and Y?

APlant X has sticky small and compact stigmas
while plant Y has long, exposed and feathery
stigmas.
BPlant X bears small inconspicuous flowers in
dense clusters near the ends of the branches,
while flowers of plant Y are big, brightly coloured
and scented.
CFlowers of plant X produce nectar and have big
petals whereas nectar and odour are absent in
flowers of plant Y.
DPlant X is always self pollinated while plant Y
shows cross pollination.